CN106497642A - A kind of polyureas base wheel hub bearing grease and preparation method - Google Patents
A kind of polyureas base wheel hub bearing grease and preparation method Download PDFInfo
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- CN106497642A CN106497642A CN201610877917.9A CN201610877917A CN106497642A CN 106497642 A CN106497642 A CN 106497642A CN 201610877917 A CN201610877917 A CN 201610877917A CN 106497642 A CN106497642 A CN 106497642A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/10—Amides of carbonic or haloformic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/10—Amides of carbonic or haloformic acids
- C10M2215/102—Ureas; Semicarbazides; Allophanates
- C10M2215/1026—Ureas; Semicarbazides; Allophanates used as thickening material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/066—Organic compounds derived from inorganic acids or metal salts derived from Mo or W
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention relates to a kind of polyureas base wheel hub bearing grease and preparation method.Amount includes following components by weight percentage：Thickening agent 10～22%；Antioxidant 0.5～1%；Extreme pressure anti-wear additives 1～2%；Antirust agent 0.5～1%；Surplus base oil.With the base oil dissolving diisocyanate of base oil total amount 1/3, with the base oil dissolving monoamine of base oil total amount 1/3, the two reacts 30～60min within the temperature range of being blended in 60～80 DEG C, being to slowly warm up to 180～200 DEG C after reaction carries out high temperature refining, remaining base oil is added, and adds rest additive grease to be prepared as after shearing, filtration, degassing.The problems such as polyureas base grease of the present invention solves heat setting polyurea grease and shear stability difference, which has good high-temperature behavior and oxidation stability and excellent fretting wear resistance property, used in being suitable for the automobile hub bearing under the severe rugged environments such as high temperature, high speed.
Description
Technical field
The present invention relates to technical field of lubricating grease, more particularly to a kind of polyureas base wheel hub bearing grease and preparation method.
Background technology
The effect of automobile hub bearing is mainly subject to the weight of automobile and the transmission for wheel hub provides accurate guide.Wheel
Hub axle is held, and is a very important safety member.In recent years, with preposition forerunner
The fast development of dynamic car, hub bearing there occurs great changes, especially the automobile production producer of famous foreign and bearing system
Business's cooperative research and development is made, novel wheel hub bearing unit is continued to bring out, oneself enters forth generation at present.
The oils and fatss that China's automobile industry nineteen fifties use are mainly calcium-base grease (being commonly called as butter).Enter
The seventies, as the lubrication of the parts such as industrial expansion, automobile hub bearing, chassis gradually begins to use lithium saponify.Using
Lithium base grease, temperature use range can expand -25～120 DEG C to, compared with original calcium-base grease, can extend lubrication
Phase, abrasion is reduced, reduce consuming.But, in recent years, with developing rapidly for Domestic Automotive Industry, imported car production line
Introduce, the construction of highway, carriage requirement are also increasingly weighed, and the quickening of travel speed, the performance requirement to automobile are also more next
Higher, the lithium base grease for using originally can not meet current needs.Therefore, high temperature resistance, Oxidation Stability are projected
Polyurea grease increasingly receives publicity.But hardening and mechanical stability are poor under existing polyureas base grease generally existing high temperature
The features such as.
Content of the invention
It is an object of the invention to overcoming existing technical disadvantages and deficiency, there is provided a kind of polyureas base wheel hub bearing grease
And preparation method thereof, the grease of preparation has the features such as higher dropping point, good oxidation stability and anti-fretting wear,
And with wider use temperature and longer service life, disclosure satisfy that the lubricating requirement of the hub bearing under harsh conditions.
The invention provides a kind of high-temperature behavior is good, long service life polyureas base wheel hub bearing grease and its preparation side
Method.
The present invention a kind of polyureas base wheel hub bearing grease, its component and mass percent as follows：
Described thickening agent is according to mol ratio 2 by monoamine with diisocyanate:1 ratio, carries out chemical reaction life
Into containing urea-based compound.
The aliphatic amine of described monoamine can be the one of dodecyl amine, tetradecylamine, cetylamine or octadecylamine
Plant and its mixture；Cycloaliphatic amines are cyclohexylamine；Aromatic amine includes aniline or para-totuidine and its mixture.
Described diisocyanate is '-diphenylmethane diisocyanate.
Described 40 DEG C of kinematic viscositys of base oil are 60～300mm2/ s, preferably 100～180mm2/s.
Described antioxidant is macromolecule phenols, diphenylamines or alkyl diphenylamine.
Described extreme pressure anti-wear additives are carbamate or molybdates esters and its mixture.
Described antirust agent is liquid benzene triazole derivative.
The preparation of greases method of the present invention, with the base oil dissolving diisocyanate for accounting for base oil total amount 1/3, with accounting for
The base oil dissolving monoamine of base oil total amount 1/3, the two reacts 30～60min within the temperature range of being blended in 60～80 DEG C,
Being to slowly warm up to 180～200 DEG C after reaction carries out high temperature refining, adds remaining base oil, add additive through shearing,
Grease is prepared as after filtration, degassing.
The problems such as polyureas base grease of the present invention solves heat setting polyurea grease and shear stability difference, which has
There are good high-temperature behavior and oxidation stability and excellent fretting wear resistance property.The grease of the present invention is suitable for height
Used in automobile hub bearing under the severe rugged environments such as temperature, high speed, disclosure satisfy that vehicle to hub bearing lubricating grease " lifelong profit
The requirement of cunning ".
Specific embodiment
Embodiment 1
800g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.800g base oils,
54g 18-amine., 60.2g cyclohexylamine and 21.8g para-totuidine are heated to 55 DEG C in beaker, after organic amine solvent, by beaker
In amine liquid add reactor in, within the temperature range of 60～80 DEG C react 60min.After question response is complete, it is to slowly warm up to
180～200 DEG C carry out high temperature refining, add 658g base oils, treat that temperature is down to less than 100 DEG C and adds additive through cutting
Cut, filter, deaerate after be prepared as grease.
Embodiment 2
500g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.500g base oils,
74.8g lauryl amines, 39.8g cyclohexylamine and 21.8g para-totuidine are heated to 55 DEG C in beaker, after organic amine solvent, will burn
Amine liquid in cup is added in reactor, reacts 60min within the temperature range of 60～80 DEG C.After question response is complete, slow intensification
High temperature refining is carried out to 180～200 DEG C, 428g base oils are added, and treats that temperature is down to less than 100 DEG C and additive is added through cutting
Cut, filter, deaerate after be prepared as grease.
Embodiment 3
400g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.400g base oils,
108g 18-amine., 20.2g cyclohexylamine and 37.6g aniline are heated to 55 DEG C in beaker, after organic amine solvent, by beaker
Amine liquid is added in reactor, reacts 60min within the temperature range of 60～80 DEG C.After question response is complete, 180 are to slowly warm up to～
200 DEG C carry out high temperature refining, add 188g base oils, treat that temperature is down to less than 100 DEG C and adds additive through shearing, mistake
Grease is prepared as after filter, degassing.
Embodiment 4
500g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.500g base oils,
86.2g tetradecy lamines, 39.8g cyclohexylamine and 21.8g para-totuidine are heated to 55 DEG C in beaker, after organic amine solvent, will burn
Amine liquid in cup is added in reactor, reacts 60min within the temperature range of 60～80 DEG C.After question response is complete, slow intensification
High temperature refining is carried out to 180～200 DEG C, 377g base oils are added, and treats that temperature is down to less than 100 DEG C and additive is added through cutting
Cut, filter, deaerate after be prepared as grease.
Embodiment 5
450g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.450g base oils,
135g 18-amine., 30.2g cyclohexylamine and 18.8g aniline are heated to 55 DEG C in beaker, after organic amine solvent, by beaker
Amine liquid is added in reactor, reacts 60min within the temperature range of 60～80 DEG C.After question response is complete, 180 are to slowly warm up to～
200 DEG C carry out high temperature refining, add 293g base oils, treat that temperature is down to less than 100 DEG C and adds additive through shearing, mistake
Grease is prepared as after filter, degassing.
Embodiment 6
450g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.450g base oils,
97.8g cetylamines, 39.8g cyclohexylamine and 21.8g para-totuidine are heated to 55 DEG C in beaker, after organic amine solvent, will burn
Amine liquid in cup is added in reactor, reacts 60min within the temperature range of 60～80 DEG C.After question response is complete, slow intensification
High temperature refining is carried out to 180～200 DEG C, 364g base oils are added, and treats that temperature is down to less than 100 DEG C and additive is added through cutting
Cut, filter, deaerate after be prepared as grease.
Comparative example 1
650g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.650g base oils,
270g 18-amine. is heated to 55 DEG C in beaker, after organic amine solvent, the amine liquid in beaker is added in reactor, 60～
60min is reacted within the temperature range of 80 DEG C.After question response is complete, being to slowly warm up to 180～200 DEG C carries out high temperature refining, then plus
Enter 417g base oils, less than 100 DEG C are down to after temperature and add additive to be prepared as grease after shearing, filtration, degassing.
Comparative example 2
800g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.800g base oils,
216.5g 18-amine., 20.5g cyclohexylamine are heated to 55 DEG C in beaker, after organic amine solvent, the amine liquid in beaker are added
In reactor, 60min is reacted within the temperature range of 60～80 DEG C.After question response is complete, it is to slowly warm up to 180～200 DEG C and enters
Row high temperature is refined, and adds 572g base oils, is down to less than 100 DEG C after temperature and is added additive through shearing, filtering, after degassing
It is prepared as grease.
Comparative example 3
300g base oils and 125gMDI are added in reactor, being heated to 50 DEG C is completely dissolved MDI.300g base oils and
108.2g para-totuidine is heated to 55 DEG C in beaker, after organic amine solvent, the amine liquid in beaker is added in reactor,
60min is reacted within the temperature range of 60～80 DEG C.After question response is complete, being to slowly warm up to 180～200 DEG C carries out high temperature refining,
241g base oils are added, and less than 100 DEG C are down to after temperature and are added additive after shearing, filtration, degassing to be prepared as lubricating
Fat.
The constituent content of embodiment 1-6 is shown in Table 1, and analytical data is shown in Table 2.
Table 1
Table 2
The constituent content of comparative example 1-3 is shown in Table 3, and analytical data is shown in Table 4.
Table 3
Table 4
Data in table 2 are contrasted with the data in table 4, are illustrated using gathering that polytype organic amine is prepared
Urea-base grease has antiscirrhous ability and good mechanical stability energy under high temperature.The grease prepared in table 2 has height
The advantages of dropping point, good mechanical stability and anti-fretting wear type.
Claims (9)
1. a kind of polyureas base wheel hub bearing grease, it is characterised in that component and mass percent are as follows：
2. grease according to claim 1, it is characterised in that described thickening agent is by monoamine and diisocyanate
According to mol ratio 2:1 ratio, carry out chemical reaction generation containing urea-based compound.
3. grease according to claim 2, it is characterised in that the aliphatic amine of described monoamine be dodecyl amine,
Tetradecylamine, cetylamine or octadecylamine and its mixture；Cycloaliphatic amines are cyclohexylamine；Aromatic amine includes aniline or to first
Aniline and its mixture.
4. grease according to claim 2, it is characterised in that described diisocyanate is diphenylmethane diisocyanates
Ester.
5. grease according to claim 1, it is characterised in that described 40 DEG C of kinematic viscositys of base oil are 60～300mm2/
S, preferably 100～180mm2/s.
6. grease according to claim 1, it is characterised in that described antioxidant be macromolecule phenols, diphenylamines or
Alkyl diphenylamine.
7. grease according to claim 1, it is characterised in that described extreme pressure anti-wear additives are carbamate or molybdic acid
Ester and its mixture.
8. grease according to claim 1, it is characterised in that described antirust agent is liquid benzene triazole derivative.
9. the preparation of greases method of claim 1, it is characterised in that：Two are dissolved with the base oil for accounting for base oil total amount 1/3
Isocyanates, with the base oil dissolving monoamine for accounting for base oil total amount 1/3, the two is anti-within the temperature range of being blended in 60～80 DEG C
30～60min is answered, 180～200 DEG C are to slowly warm up to after reaction carries out high temperature refining, add remaining base oil, add surplus
Remaining additive is prepared as grease after shearing, filtration, degassing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877917.9A CN106497642A (en) | 2016-10-05 | 2016-10-05 | A kind of polyureas base wheel hub bearing grease and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610877917.9A CN106497642A (en) | 2016-10-05 | 2016-10-05 | A kind of polyureas base wheel hub bearing grease and preparation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557113A (en) * | 2017-10-19 | 2018-01-09 | 中国石油化工股份有限公司 | A kind of new-energy automobile three pin-type plunging joint lubricating grease and preparation method thereof |
| CN108004000A (en) * | 2017-12-26 | 2018-05-08 | 苏州贝尔纳德铁路设备有限公司 | A kind of track screw long-acting special anti-corrosion grease and preparation method thereof |
| CN110437912A (en) * | 2019-08-20 | 2019-11-12 | 新乡市恒星科技有限责任公司 | A kind of preparation method of prefabricated polyureas base grease thickening agent |
| CN110452768A (en) * | 2018-05-07 | 2019-11-15 | 天津科技大学 | A kind of preparation of greases method of viscoelasticity characteristic and obtained product |
| CN110452758A (en) * | 2018-05-07 | 2019-11-15 | 天津科技大学 | A kind of preparation of greases method containing amide groups and urea groups and obtained product |
| CN111073746A (en) * | 2020-01-02 | 2020-04-28 | 中国石油化工股份有限公司 | Polyurea-based hub bearing lubricating grease composition and preparation method and application thereof |
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| CN1272530A (en) * | 1999-04-29 | 2000-11-08 | 中国石油化工集团公司 | Preparation method of high dropping point diurea grease lubricant |
| CN102585970A (en) * | 2011-12-20 | 2012-07-18 | 长沙众城石油化工有限责任公司 | Polyurea-based lubricating grease with high mechanical stability and preparation method thereof |
| CN102827677A (en) * | 2012-08-23 | 2012-12-19 | 中国石油化工股份有限公司 | Ashless lubricating grease composition and preparation method thereof |
| CN103450978A (en) * | 2013-09-05 | 2013-12-18 | 江苏龙蟠石化有限公司 | Lubricating grease for hub bearing of heavy load truck and preparation method thereof |
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2016
- 2016-10-05 CN CN201610877917.9A patent/CN106497642A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272530A (en) * | 1999-04-29 | 2000-11-08 | 中国石油化工集团公司 | Preparation method of high dropping point diurea grease lubricant |
| CN102585970A (en) * | 2011-12-20 | 2012-07-18 | 长沙众城石油化工有限责任公司 | Polyurea-based lubricating grease with high mechanical stability and preparation method thereof |
| CN102827677A (en) * | 2012-08-23 | 2012-12-19 | 中国石油化工股份有限公司 | Ashless lubricating grease composition and preparation method thereof |
| CN103450978A (en) * | 2013-09-05 | 2013-12-18 | 江苏龙蟠石化有限公司 | Lubricating grease for hub bearing of heavy load truck and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557113A (en) * | 2017-10-19 | 2018-01-09 | 中国石油化工股份有限公司 | A kind of new-energy automobile three pin-type plunging joint lubricating grease and preparation method thereof |
| CN108004000A (en) * | 2017-12-26 | 2018-05-08 | 苏州贝尔纳德铁路设备有限公司 | A kind of track screw long-acting special anti-corrosion grease and preparation method thereof |
| CN110452768A (en) * | 2018-05-07 | 2019-11-15 | 天津科技大学 | A kind of preparation of greases method of viscoelasticity characteristic and obtained product |
| CN110452758A (en) * | 2018-05-07 | 2019-11-15 | 天津科技大学 | A kind of preparation of greases method containing amide groups and urea groups and obtained product |
| CN110437912A (en) * | 2019-08-20 | 2019-11-12 | 新乡市恒星科技有限责任公司 | A kind of preparation method of prefabricated polyureas base grease thickening agent |
| CN111073746A (en) * | 2020-01-02 | 2020-04-28 | 中国石油化工股份有限公司 | Polyurea-based hub bearing lubricating grease composition and preparation method and application thereof |
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